JP2000166320A - Seedling-transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seedling-transplanter for its operator to feed seedlings from a seedling-mounting board to a seedling feeder one by one and for a seedling-planter to plant the seedlings fed from the feeder in a field, which transplanter needs no large space considering lots of seedlings and makes it easy to feed the seedlings from the board to the seedling feeder. SOLUTION: This seedling-transplanter is formed by: vertically and superimposably mounting 2 seedling-mounting boards 40 and 41 at the same height as a seedling feeder 7 or slightly higher than it; projecting the lower board 41 from the position of the upper board 40 toward the rear side of the feeder 7; forward sloping down the upper board 40 so that the vertical difference of the boards 40 and 41 is set larger according as they approach to the rear side of the feeder 7; and mounting a cover 50 designed to block the front side, right side and left side of the boards 40 and 41 and open the rear side thereof facing to the feeder 7 side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention belongs to the technical field of a seedling transplanter provided with a seedling supply unit such as a turntable.

[0002]

2. Description of the Related Art Heretofore, workers who walk a seedling on a seedling mounting table located at a position close to a turntable to a plurality of seedling supply cups provided in the turntable while the machine is running one by one. There is a seedling transplanter that supplies seedlings from the seedling supply cup to a seedling planting device such as a planting cup below the seedling supply cup to plant seedlings in a field. In this seedling transplanter, it is desirable that the seedling supply section composed of the turntable has a height such that the worker can easily supply seedlings to the seedling supply section. Similarly, it is desirable that the seedling mounting table is set to a height substantially equal to the height of the seedling supply unit so that an operator can easily supply the seedlings to the seedling supply unit.

[0003]

In the seedling transplanter having the above structure, the number of seedlings supplied from outside the machine to the seedling mounting table is reduced to improve the workability of planting the seedlings. It is necessary to have a configuration in which seedlings can be placed. Therefore, when the seedling mounting table is configured in a plurality of stages so as to be able to mount a large number of seedlings on the seedling mounting table so as to vertically overlap each other at the same position in plan view, the upper seedling mounting table becomes an obstacle. It becomes difficult to supply the seedlings on the seedling mounting table below to the seedling supply section.

In the seedling planting operation, when the seedlings on the seedling mounting table are covered with a cover in order to prevent the seedlings on the seedling mounting table from wilting due to the wind, the seedlings from the seedling mounting table to the seedling supply section are prevented. Supply becomes difficult.

[0005]

The present invention takes the following technical means to solve the above-mentioned problems. That is, the invention according to claim 1 is a seedling transplanter configured to plant seedlings supplied from the seedling supply unit 7 in a field by the seedling planting device 6, wherein the seedling supply unit 7 is at the same height as the seedling supply unit 7. A plurality of seedling mounting tables 40 overlapping each other in a higher position in plan view,
41, and the plurality of seedling mounting tables 40, 41
The seedling transplanter is characterized in that the lowermost seedling mounting table 41 is arranged closest to the seedling supply unit 7 in the horizontal direction.

According to a second aspect of the present invention, there is provided the seedling supply section 7.
Seedling supplied from a seedling transplanter 6 in a seedling transplanting machine, a plurality of seedlings overlapping with each other in a plan view at the same height as the seedling supply unit 7 or at a position higher than the seedling supply unit 7 In addition to providing mounting tables 40 and 41, the lowest seedling mounting table 41 of the plurality of stages of seedling mounting tables 40 and 41 is provided.
And a seedling placing table 40 immediately above the seedling placing section 40 in the seedling supply section 7 so as to increase the difference in height between them, so that they are arranged with different inclination postures.

[0007] Further, the invention according to claim 3 provides a seedling supply section 7.
A seedling transplanter having a configuration in which seedlings supplied from a plant are planted in a field by a seedling planting device 6 includes a seedling mounting table 40, 41 and a cover 50 for blocking the side of the seedling on the seedling mounting table 40, 41. A seedling transplanter, wherein a portion of the cover 50 on the side of the seedling supply unit 7 is open.

[0008]

Therefore, in the seedling transplanter according to the first aspect, since a plurality of seedling mounting tables overlapping each other in plan view are provided, a large number of seedlings can be mounted without requiring the space of the body. In addition, since the seedling mounting table close to the height of the seedling supply unit is arranged in the horizontal direction close to the seedling supply unit, the seedling supply operation from the seedling mounting table to the seedling supply unit can be easily performed. .

Further, in the seedling transplanter according to the second aspect, since a plurality of seedling mounting tables are provided as in the first aspect, a large number of seedlings can be mounted without requiring space for the body. And the height difference between the lower seedling mounting table close to the height of the seedling supply unit and the upper seedling mounting table is larger at the seedling supply unit side. The operation of supplying seedlings to the supply unit can be easily performed without the upper seedling mounting table being in the way. In addition, the upper seedling mounting table with respect to the lower seedling mounting table so that the height difference on the opposite side of the seedling supply section between the upper seedling mounting table and the lower seedling mounting table is smaller than the seedling supply section side. Since it is inclined, the center of gravity of the upper seedling mounting table can be lowered, and the stability of the machine body can be improved.

Further, in the seedling transplanter according to the third aspect, the cover can prevent the seedlings on the seedling mounting table from being withered by the wind, and the portion of the cover on the seedling supply section side can be prevented. Since it is open, the seedlings on the seedling mounting table can be easily supplied to the seedling supply section from the open portion of the cover.

[0011]

An embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a walking type tobacco seedling transplanting machine 1 as an example of a seedling transplanting machine. The walking type tobacco seedling transplanting machine 1 mainly travels with an engine 2 and a main transmission case 3 at a front portion. A pair of left and right front wheels 4 and 4 and rear wheels 5 and 5 as wheels are provided with a seedling planting device 6, a seedling supply unit 7 and a steering handle 8 at the rear. In the walking type tobacco seedling transplanter 1, the front wheels 4, 4 and the rear wheels 5, 5 run between the ridges so that the body crosses over the ridges in the field, and the seedling planting device is provided at the center of the upper surface of the ridges. 6 allows tobacco seedlings to be planted.

An engine mount 9 is fixed to the front of the main drive case 3 and the engine mount 2 is mounted on the engine mount 9.
Is placed and attached. The output shaft of the engine 2 provided in the left and right direction enters the main transmission case 3 so that the power of the engine 2 is input into the main transmission case 3. The left and right ends of the main transmission case 3 are provided with left and right traveling extension cases 10, 10 rotatable with respect to the main transmission case 3, respectively. The running chains 11, 11 are fixedly provided at the respective ends. Accordingly, the power in the main transmission case 3 is transmitted to the traveling chain cases 11, 11. A pair of left and right rear wheels 5, 5 as traveling wheels are attached to the left and right inner sides of the rotating front end portions of the traveling chain cases 11, 11, respectively. It is designed to run. Therefore, the main drive case 3
The transmission is a transmission that transmits power to rear wheels 5, 5 as running wheels. On the other hand, a front wheel support frame 12 extending in the left-right direction is provided below the engine mounting base 9 so as to be rotatable around a rolling shaft 13 in the front-rear direction.
Front wheel mounting portions 14, 14 extending downward are provided at both left and right end portions of the vehicle, and front wheels 4, 4 are mounted at lower end portions of the front wheel mounting portions 14, 14, respectively. It has a configuration in which a pair of front wheels 4 and 4 are provided. The front wheels 4, 4 are idle wheels.

As shown in FIG. 4, the left and right traveling extension cases 10, 10 are provided with inner casings 10a, 10a.
0a and outer casings 10b, 10b which are fitted so as not to rotate with respect to the inner casings 10a, 10a, and the outer casings 10b, 10b are connected to the inner casing 1.
The tread of the rear wheels 5, 5 is adjusted by sliding left and right with respect to 0a, 10a. Also,
Bearings 17, 17 are provided at the ends of support frames 16, 16 extending outward from the left and right frames 15 fixed to the rear portion of the main transmission case 3, respectively, and the bearings 17, 17 are provided on the inner case. The traveling extension cases 10, 10 are supported by externally fitting the casings 10a, 10a. Further, extension shafts 18, 18 are provided which rotate integrally with the left and right output shafts 3a, 3a of the main transmission case 3 projecting into the traveling extension cases 10, 10, respectively, and rotate integrally with the extension shafts 18, 18. The input sprocket 11b in the traveling chain 11, which rotates integrally with the driving chain input shafts 11a, 11a, is driven by driving the traveling chain input shafts 11a, 11a. The extension shafts 18, 18 are provided with stopper bolts 19, 19 which are detachably attached to the inner cases 10a, 10a, and the shaft 1
By engaging grooves 18a, 18a provided in 8, 8, it is configured to be integrally rotatable with respect to the output shafts 3a, 3a and not to slide left and right. The traveling chain input shafts 11a, 11a are provided so as to be slidable left and right with respect to the extension shafts 18, 18.

Therefore, the traveling extension case 1
The outer cases 10b, 10b of the inner case 10
Along with the left and right sliding with respect to a and 10a, the traveling chain input shafts 11a and 11a slide right and left with respect to the extension shafts 18 and 18 so that the tread adjustment of the rear wheels 5 and 5 can be easily performed. I can do it. When the traveling extension cases 10 and 10 are removed from the main transmission case 3 for maintenance or the like, the stopper bolts 19 and 1 are provided from outside the traveling extension cases 10 and 10.
9 to release the engagement between the stopper bolts 19, 19 and the extension shafts 18, 18, the extension shafts 18, 18 can be removed, and maintenance and the like can be easily performed.

Further, the front wheel supporting frame 12 is provided so as to be able to expand and contract in the left and right directions, so that the tread of the left and right front wheels 4 and 4 can be adjusted. A main frame 20 is provided at the rear of the left and right frames 15 to extend to the right. A steering handle 8 is provided at the rear end of the main frame 20, and the steering handle 8 is supported by the main transmission case 3 via the main frame 20.

A hydraulic elevating cylinder 21 is provided at the rear of the main drive case 3 at the center in the left-right direction. The hydraulic lift cylinder 21 is fixedly provided to a hydraulic switching valve portion 22 fixed to the main transmission case 3 and switches the hydraulic pressure from a hydraulic pump 23 fixed to the main transmission case 3. The operation is performed by operating a lifting / lowering operation valve provided in the apparatus 22. A horizontal rod 24 extending left and right is provided at a cylinder rod end of the hydraulic lifting cylinder 21, and rear wheel lifting rods 25, 26 are pivotally attached to left and right ends of the horizontal rod 24, respectively.
6 is connected to each traveling extension case 1
The horizontal rod 24 and the traveling extension case 1 are pivotally attached to the upper arms 10c, 10c fixed to 0, 10, respectively.
0 and 10 are connected. Accordingly, the traveling chain case 1 is driven around the left and right output shafts 3a, 3a of the main transmission case 3 via the horizontal rod 24 and the rear wheel lifting rods 25, 26 by the expansion and contraction of the hydraulic lifting cylinder 21.
The traveling chain cases 11, 11 are rotated.
, The rear wheels 5, 5 move up and down, and the body is raised and lowered.

A horizontal hydraulic cylinder 27 which is operated by hydraulic pressure from a hydraulic pump 23 is provided in the middle of the left rear wheel lifting rod 25 so that the left rear lifting rod 25 can be extended and contracted. The left rear wheel 5 is moved up and down with respect to the vertical position of the right rear wheel 5 by the expansion and contraction of
The aircraft can be maintained horizontally horizontally regardless of the unevenness of the valleys. A right and left tilt sensor 28 of a pendulum type is provided on the right side of the main drive case 3. The horizontal tilt sensor 28 is detected by the left and right tilt sensor 28 via a horizontal operation valve provided in the hydraulic pressure switching valve unit 22. Hydraulic cylinder 2
7 is operated to maintain the machine body horizontally left and right.

In the seedling planting apparatus 6, the power from the main drive case 3 is provided on the rear side of the main drive case 3 so as to plant one seedling in the field. The operation is transmitted through a seedling planting device drive case 31 fixed to the planting transmission case 30 and the planting transmission case 30. The seedling planting device 6 includes a planting cup 32 and a seedling planting tool operating mechanism 34 that operates to raise and lower the planting cup 32 so as to draw a predetermined locus T.

The seedling supply unit 7 is provided above the seedling planting device 6 and includes a seedling supply turntable 35 for sequentially supplying one seedling to the seedling planting device 6. I have.
The seedling supply turntable 35 includes a crank rod 36 that reciprocates back and forth by transmission from the planting transmission case 30.
Vertical rotation shaft 35 via one-way clutch mechanism 37
It is designed to rotate around a. Further, the seedling supply rotating table 35 has a configuration in which a plurality of seedling supply cups 38 are provided at predetermined intervals along a circumference around the rotation shaft 35a. The seedling supply cups 38 are provided such that the bottom surfaces 38a of the cups 38 can be opened and closed.
The seedling supply cup opening / closing guide 39 is provided below the seedling supply cups 38 so that the bottom surface of the seedling supply cups 38 opens only when the seedling supply cups 38 come to a predetermined position by rotation of the seedling supply turntable 35. Is fixedly provided on the fuselage side. Therefore, when the seedling supply cups 38 come to the predetermined position A by the rotation of the seedling supply turntable 35, the seedling supply cups 38 ...
Open and the pot seedlings in the seedling supply cups 38 are dropped and supplied to the lower planting cup 32, and the seedling supply rotating table 35 is further rotated to disengage the seedling supply cups 38 from the predetermined position A. And the bottom surfaces 38a of the seedling supply cups 38 are closed.

On the front side of the seedling supply rotating table 35, seedling mounting tables 40, 41 for mounting the tobacco seedlings grown on the cell tray S together with the cell tray S are provided on the upper and lower sides, respectively. The upper and lower seedling mounting tables 40 and 41 are located at the same position in the left-right direction, and the front of the lower seedling mounting table 41 is an upper seedling mounting table 40 in plan view.
The position in the front-rear direction is shifted so as to overlap with the rear part of. The lower seedling mounting table 41 is provided with a planting transmission case.
Left and right lower seedling mounting table support frame extending upward from
Are attached to the seedling supply cups 38.
And is provided substantially horizontally so as to be slightly higher than the upper end of the. The upper seedling mounting table 40 supports an upper seedling mounting table connecting the bumper 9a integrally formed with the engine mounting table 9 at the front end of the fuselage and the left and right seedling mounting table support frames 42, 42. The frame 43 is supported by the frame 43 and is inclined so that the front side is lower.

The upper seedling mounting table support frame 43 includes a front frame portion 44, a rear frame portion 45, and an upper frame portion 46. The front frame part 4
Reference numeral 4 denotes a left and right front and rear frame 44a, 44a, and a left and right frame 44b provided so as to connect the left and right front and rear frames 44a, 44a.
The rear end is fixed to the front end of the rear frame 45 by mounting bolts 47, 47, 48, 48, respectively.
The rear frame portion 45 includes left and right front and rear frames 45a, 4a.
The left and right front and rear frames 45a, 45a are connected to the upper and lower left and right frames 45a, 45a. The upper and lower frame mounting pipes 45c are provided in the middle of the left and right front and rear frames 45a, 45a. , 45c and are integrally formed.
Left and right insertion shafts 45d, 45d inserted into the front ends of the left and right lower seedling mounting table support frames 42, 42 are provided at the rear end. The upper frame portion 46 includes left and right front and rear frames 46a, 46a integral with the upper seedling mounting table 40, and the left and right front and rear frames 46a, 46a are respectively provided on the left and right sides of the rear frame portion 45. Of the upper frame part mounting pipes 45c, 45c.
The left and right upper frame portion mounting pipes 45c, 4
5c is provided with the pipe 4 due to a change in attitude or vibration of the body.
Retaining pins 49, 49 are provided to prevent the upper frame portion 46 from falling off from the portions 5c, 45c. Accordingly, the left and right insertion shafts 45d of the rear frame portion 45,
45d are inserted into the front ends of the left and right lower seedling mounting table support frames 42, 42, and the front frame portion 44 is attached to the mounting bolts 4.
7, 47, 48, 48, bumper 9a and rear frame
And the upper frame portion 46.
To the upper frame portion mounting pipe 4 of the rear frame portion 45.
5c, 45c, and the upper seedling mounting table 40 is mounted.

Therefore, when planting large seedlings such as tobacco seedlings or when it is desired to reduce the number of times of supply of seedlings from outside the machine to the seedling mounting table in order to improve the workability of planting seedlings in a wide field, the required number of strains is required. In order to mount the seedlings, a plurality of seedling mounting tables 40 and 41 can be mounted vertically as described above. Conversely, when a small seedling mounting table is not required, such as when planting small seedlings or planting seedlings in a narrow field, the upper seedling mounting table support frame 43 is detached from the body, so that only the lower seedling mounting table 41 is removed. Can be used to plant seedlings.

As shown in FIG. 1, the seedling transplanter 1 is provided with a cover 50 for covering the seedlings mounted on the upper and lower seedling mounting tables 40, 41. The cover 50 is made of vinyl film, and the upper and lower seedling mounting tables 40, 41 are provided.
And the side portions of the seedling mounting tables 40 and 41 which are front, rear, left and right. A cover mounting frame 51 is provided on the upper seedling mounting table 40, and the cover 50 is mounted on the cover mounting frame 51 from above. Further, chucks (not shown) provided on both left and right sides of a rear surface portion 50a of the cover 50, which is a rear side of the seedling mounting tables 40 and 41, provide the rear surface portion 50a.
The rear surface 50a of the cover 50 is mounted on the upper surface 50b of the cover 50 above the seedling mounting tables 40 and 41 by removing the chuck, and the seedling mounting table 40 is opened. , 41 are opened rearward.

The planting cup 32 is divided into two parts in the front-rear direction and the lower part is opened and closed. The planting cup 32 accommodates one pot seedling inherited from the seedling supply cup 38. It descends and opens the lower part back and forth at the seedling planting position C to form a planting hole in the field, and supplies seedlings to the planting holes for planting. The planting cup 3
The seedlings are planted by drilling a deep planting hole so that the whole seedlings can enter, and the upper part of the seedlings is covered with a heat insulating covering material such as a multi-film to isolate the periphery of the seedlings from the outside world and enhance the heat retaining effect. Seedlings are cultivated. After the seedlings are supplied to the planting holes, the planting cup 32 is pulled upward from the soil, so that the soil around the planting holes slightly collapses into the planting holes and is covered by the seedlings. It has become so.

The outer surface 32a of the planting cup 32 has a gentle inclination at the lower end in the front-rear direction.
In the state in which the seedlings are opened, the lower end portion is close to vertical, the side wall of the hole to which the seedlings are supplied is made substantially vertical, and the planting posture of the seedlings is stabilized. On the other hand, the inner surface 32b of the planting cup 32 is formed in a straight shape from the upper part to the lower end, and the seedling descends along the inner surface 32b of the planting cup 32 when the planting cup 32 is opened. This prevents the seedlings from catching on the inner surface 32a when the planting posture is deteriorated.

A seedling guide tube 52 is provided above the planting cup 32 for guiding the seedlings falling from the seedling supply cups 38 of the seedling supply section 7 to fall. The seedling guide tube 52 is composed of an upper portion 53 formed of a metal tube and a lower portion 54 having slits 54a in four directions of a flexible resin tube. The planting cup 32 is drawn up and down and moves up and down integrally. Then, with the seedlings supplied in the planting cup 32,
The tip of the leaf of the seedling is located in the seedling guide tube 52. Notches 54b, 54b are provided at the lower end before and after the lower portion 54 of the seedling guide tube 52, respectively.

Therefore, the seedlings that are dropped and supplied from the seedling supply cups 38 of the seedling supply section 7 are supplied to the planting cup 32 by the seedling guide tube 52 reliably and in a state where the position and posture of the seedlings are stable. In addition, the planting posture of the seedling by the planting cup 32 can be appropriately stabilized. In addition, planting cup 32
Since the tip of the leaf of the seedling supplied into the seedling guide tube 52 is located in the seedling guide tube 52, the seedling in the planting cup 32 is supported by the seedling guide tube 52, and the planting cup 32 is moved up or down or the body vibrates. The posture of the seedling in the planting cup 32 is prevented from being disturbed by, for example, and the planting posture of the seedling by the planting cup 32 can be appropriately stabilized. The lower portion 54 of the seedling guide tube 52 is made of a flexible resin tube, and 4
The slits 54a are provided in the directions, so that even if the seedlings falling from the seedling supply cups 38 collide with the lower part 54 of the seedling guiding tube 52, the leaves of the seedlings may be damaged or the floor of the seedlings may collapse. To prevent

A field scene sensing plate 55 is provided in front of the planting cup 32. The field scene sensing play
The plate 55 is provided so as to be rotatable around a rotation fulcrum shaft 55a in the left and right direction, so that the seedling planting device 6 has a predetermined planting depth with the rotation of the plate 55 when it comes into contact with the ground. The rear wheels 5, 5 are raised and lowered. An operation panel 56 is provided in front of the operation handle 8 and behind the seedling supply unit 7.
Is provided. The operation panel 56 includes a main clutch lever 57 capable of turning on and off the driving of the rear wheels 5, 5 and the seedling planting device 6 and the seedling supply unit 7, a lifting / lowering operation of the machine by the hydraulic lifting / lowering cylinder 21, and seedling planting. A planting / elevating lever 58 that can only turn on and off the drive of the attachment device 6 and the seedling supply unit 7 is provided.

Below the left and right grips 8a, 8a of the steering handle 8, a side clutch lever 59,
The left and right driving of the pair of left and right rear wheels 5, 5 is cut off by operating the side clutch levers 59, 59. Then, while the operator pushes down the steering handle 8 and lifts the front wheels 4 and 4 in the air, the operator operates one of the left and right side clutch levers 59 to cut off the drive of one of the right and left rear wheels 5 and releases the rear wheels 5. The aircraft is turned around the center.

As described above, the walking type tobacco seedling transplanting machine 1 is provided with the upper and lower seedling mounting tables 40 and 41 which are overlapped with each other in plan view at the same height as the seedling supply section 7 or higher than the seedling supply section 7.
And the lower seedling mounting table 41 is disposed so as to protrude rearward from the upper seedling mounting table 40 on the side of the seedling supply unit 7, from the left side of the seedling supply rotating table 35 of the seedling supply unit 7. The worker supplies the pot seedlings on the lower seedling mounting table 41 one by one into the seedling supply cups 38 of the seedling supply unit 7.
Seedlings supplied from inside the seedling supply cups 38 are planted in a field by the seedling planting device 6.
When the seedlings in the cell tray S on the lower seedling mounting table 41 run out, the seedlings on the upper seedling mounting table 40 are replaced with the lower seedling mounting table 41.
The cell trays S of the upper seedling mounting table 40 and the lower seedling mounting table 41 are exchanged with each other so as to move upward, and the operator supplies the seedlings to the seedling supply unit 7 from above the lower seedling mounting table 41. It has become.

Therefore, the seedling transplanter 1 is provided with
Since 0 and 41 are provided in the upper and lower tiers, no extra space is required in the horizontal direction, the storage space of the body can be reduced, and a large number of seedlings can be placed. The number of times of supplying seedlings to the seedling mounting tables 40 and 41 from outside can be reduced, and the workability of planting seedlings can be improved. In addition, since the lower seedling mounting table 41 is disposed so as to protrude from the upper seedling mounting table 40 to the rear side on the side of the seedling supply unit 7, the worker can communicate with the seedling supply unit 7 in the seedling planting operation. Seedlings can be supplied to the seedling supply unit 7 from the lower seedling placement table 41 having a small difference in height and close to the seedling supply unit 7 in the front-rear direction.
1 to the seedling supply section 7 can be easily performed. Further, since the lower seedling mounting table 41 is disposed so as to protrude from the upper seedling mounting table 40 to the rear side on the side of the seedling supply unit 7, the operator can lower the seedling mounting tables 40 and 41 from behind. Side seedling mounting table 4
When removing the upper seedling, the upper seedling mounting table 40 is less likely to be in the way, and the work of supplying seedlings to the seedling supply unit 7 can be performed easily.
In the seedling transplanter 1, since the lower seedling mounting table 41 is provided at a position slightly higher than the upper end of the seedling supply cup 38 of the seedling supply section 7, the lower seedling mounting table 41 When the seedlings are supplied to the supply cups 38...
It is configured to be easily supplied from above.

In the seedling transplanter 1, an upper seedling mounting table 40, which is directly above the lower seedling mounting table 41, is inclined so that the front side is lower, while the lower seedling mounting table 41 is substantially horizontal. The upper and lower seedling mounting tables 4 move toward the rear side, which is the seedling supply section 7 side.
The height difference between 0 and 41 is made large.
Thereby, when an operator puts his hand between the upper and lower seedling mounting tables 40 and 41 to take out the seedlings on the lower seedling mounting table 41 from the rear side of the seedling mounting tables 40 and 41, the individual Regardless of the height difference or the like, the upper seedling mounting table 40 is easy to put in without getting in the way and the seedling supply operation to the seedling supply unit 7 can be easily performed. In addition, the height difference between the upper seedling mounting table 40 and the lower seedling mounting table 41 becomes smaller as the upper seedling mounting table 40 moves to the front side opposite to the seedling supply section 7, so that the upper and lower seedling mounting tables 40, In order to lower the center of gravity of the upper seedling mounting table 40 and thus the seedlings on the seedling mounting table 40 as compared with the case where the upper seedling mounting table is provided substantially horizontally so that the height difference of 41 is the same in the front-rear direction. The stability of the running of the aircraft can be improved, and the planting of the seedlings can be stabilized.

Also, in the seedling transplanter 1, when the seedling mounting table is not so required, such as when planting small seedlings or planting seedlings in a narrow field, the upper seedling mounting table support frame 43 is detached from the machine. Therefore, the seedling can be planted using only the lower seedling mounting table 41, and since there is no upper seedling mounting table 40, the worker can transfer the seedling from the lower seedling mounting table 41 to the seedling supply unit 7. Can easily supply seedlings.

As shown in FIG. 7, the upper and lower seedling mounting tables 4
A configuration may be adopted in which a spare seedling mounting table 60 is provided at a position below 0, 41 and on the left side of the planting transmission case 30. In this configuration, since the preliminary seedling mounting table 60 is located at a position lower than the seedling supply unit 7 and it is difficult to directly supply the seedlings from the preliminary seedling mounting table 60 to the seedling supply unit 7, the lower seedling mounting table 60 is mounted. Table 4
When the seedlings on No. 1 run out, the seedlings on the spare seedling mounting table 60 are moved onto the lower seedling mounting table 41, and the worker supplies the seedlings to the seedling supply unit 7 from above the lower seedling mounting table 41. It is supposed to.

In the seedling transplanter 1, the front, left and right sides of the upper and lower seedling mounting tables 40 and 41 are shut off, and the rear surface 50a is mounted above the upper surface 50b. By providing a cover 50 that opens the rear of the upper and lower seedling mounting tables 40, 41, the rear side of the upper and lower seedling mounting tables 40, 41 on the side of the seedling supply section 7 during the seedling planting operation, that is, the cover. The seedlings on the lower seedling mounting table 41 are supplied to the seedling supply unit 7 from the open portion of −50. By the cover 50, the upper and lower seedling mounting tables 40, 41
Since the front, left and right sides are blocked, the wind in the field can be prevented from hitting the seedlings on the seedling mounting tables 40 and 41, and the wind quickly evaporates moisture, and the tobacco seedlings that are easily withered are withered. Can be prevented. Also,
Since the cover 50 can open the rear of the upper and lower seedling mounting tables 40 and 41 on the side of the seedling supply section 7, the operator can move the open portion of the cover 50 on the lower seedling mounting table 41. The tobacco seedling can be easily supplied to the seedling supply unit 7. When the cell tray S is supplied to the seedling mounting tables 40 and 41 to supply the seedlings to the upper and lower seedling mounting tables 40 and 41 from outside the machine, the cell tray S can be easily supplied from the open portion of the cover 50. Can be. When the airframe is moved with the seedlings placed on the upper and lower seedling mounting tables 40 and 41 after the seedling planting operation is completed, the rear surface of the cover 50 is closed and the front and rear of the upper and lower seedling mounting tables 40 and 41 are closed. By cutting off the left and right sides, the tobacco seedlings on the seedling mounting tables 40 and 41 can be prevented from withering.

[Brief description of the drawings]

FIG. 1 is a side view of a walking type tobacco seedling transplanter.

FIG. 2 is a partially omitted plan view of a walking type tobacco seedling transplanter.

FIG. 3 is a plan view showing a seedling supply operation to a seedling supply unit.

FIG. 4 is a cross-sectional plan view showing a traveling extension case.

FIG. 5 is a bottom view showing a seedling guide tube.

FIG. 6 is a side view showing a seedling guide tube and a planting cup.

FIG. 7 is a side view of another walking-type tobacco seedling transplanter.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Walk-type tobacco seedling transplanter, 6 ... Seedling planting apparatus, 7 ... Seedling supply part, 40 ... Upper seedling mounting table, 41 ... Lower seedling mounting table, 50 ... Cover

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Masami Muranami 1-Family Yasura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. F-term (reference) 2B060 AC05 AD04 BA03 CA01 CA03 CA09 CB02 CB05 CB22 CC05 DA02 DA04 DA05 DA07 2B064 AA01 AB07 AB10 BA25 CA11

Claims (3)

[Claims] 1. A seedling transplanter configured to plant seedlings supplied from a seedling supply unit 7 in a field by a seedling planting device 6,
A plurality of stages of seedling mounting tables 40 and 41 overlapping each other in plan view at a position that is the same as or higher than the seedling supply unit 7.
And a seedling transplanter, wherein the lowermost seedling mounting table 41 of the plurality of seedling mounting tables 40, 41 is arranged closest to the seedling supply unit 7 in the horizontal direction. 2. A seedling transplanter configured to plant seedlings supplied from a seedling supply unit 7 in a field by a seedling planting device 6,
A plurality of stages of seedling mounting tables 40 and 41 overlapping each other in plan view at a position that is the same as or higher than the seedling supply unit 7.
And the lowermost seedling mounting table 41 of the plurality of seedling mounting tables 40 and 41 and the seedling mounting table 40 immediately above the lowermost seedling mounting table 40 so that the height difference between them becomes larger on the seedling supply unit 7 side. A seedling transplanter characterized by being arranged in different inclination positions. 3. A seedling transplanter configured to plant seedlings supplied from a seedling supply unit 7 in a field by a seedling planting device 6,
A seedling mounting table 40, 41 and a cover 50 for blocking the side of the seedling on the seedling mounting table 40, 41 are provided, and a portion of the cover 50 on the seedling supply unit 7 side is open. A seedling transplanter characterized by the following.